1416621661802 has 8 divisors (see below), whose sum is σ = 2124958649700. Its totient is φ = 708302111904.

The previous prime is 1416621661783. The next prime is 1416621661843. The reversal of 1416621661802 is 2081661266141.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1411745572561 + 4876089241 = 1188169^2 + 69829^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4154477 + ... + 4482512.

Almost surely, 2^{1416621661802} is an apocalyptic number.

1416621661802 is a deficient number, since it is larger than the sum of its proper divisors (708336987898).

1416621661802 is an equidigital number, since it uses as much as digits as its factorization.

1416621661802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8719000.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 1416621661802 in words is "one trillion, four hundred sixteen billion, six hundred twenty-one million, six hundred sixty-one thousand, eight hundred two".